Backup Remote

Backup-remote gem extends Backup gem to perform backups on remote servers.

If you use backup gem you should run backup perform on the machine where resources (files, databases) are located.

This gem adds support for models to perform backups on a remote server.

Backup is a system utility for Linux and Mac OS X, distributed as a RubyGem, that allows you to easily perform backup operations. It provides an elegant DSL in Ruby for modeling your backups. Backup has built-in support for various databases, storage protocols/services, syncers, compressors, encryptors and notifiers which you can mix and match.

The gem adds the following model components:

• Remote Archive
• Remote MySQL database
• Remote data

How it works

Backup process:

• specify server connection options in your model

Model.new(:my_backup, 'My Backup') do
  database RemoteMySQL do |db|
    # options for server
    db.server_host = "server1.com"
    db.server_ssh_user = "username"
    db.server_ssh_password = "mypwd"
    db.server_ssh_key = "/path/to/ssh/key"

    # other options for resource
    ...

  end
  ...    
end

• perform backup - run script backup peform from the backup server

  backup-remote perform -t my_backup
  

• it will connect to the remote server by SSH and run command remotely which creates a backup file

• then it downloads the archive file from the remote server to the backup server

• finally, it performs all operations with backup file, like storing file to storages, etc. as gem backup does.

It uses SSHKit to connect to server by SSH.

Options

Options for SSH connection:

• server_host - host name or IP
• server_ssh_user - user name to connect by SSH
• server_ssh_password - not used if server_ssh-key is provided
• server_ssh_key - (optional) - path to ssh key

Archives

Archive files on a remote server

• Use remote_archive in your model

Model.new(:my_server_files_backup, 'Backup files') do

  remote_archive :files do |archive|
    archive.server_host = "myserver.com"
    archive.server_ssh_user = "user"
    archive.server_ssh_password = "pwd"


    # archive options - the same options as for archive
    # see  http://backup.github.io/backup/v4/archives/


  end

  ...

end  

Options:

• server_command - command to create archive file

Databases

Backup database on a remote server

• Now it is implemented the following databases:
• RemoteMySQL

RemoteMySQL

Model.new(:my_backup, 'My Backup') do
  database RemoteMySQL do |db|
    # options for server
    db.server_host = "server1.com"
    db.server_ssh_user = "username"
    db.server_ssh_password = "mypwd"
    db.server_ssh_key = "/path/to/ssh/key"

    ### options for MySQL 
    # see http://backup.github.io/backup/v4/database-mysql/

    ...
  end
  ..
end

Custom data on remote server

• Run custom command on the remote server to create a backup archive

• Specify command to run to generate archive file on the remote server

• This command should create an archive file with filename specified in server_path option.

Model.new(:my_server_data_backup, 'Backup data') do

  remote_data :mydata do |archive|
    archive.server_host = "myserver.com"
    archive.server_ssh_user = "user"
    archive.server_ssh_password = "pwd"


    archive.command = "--any command to generate backup archive file--"
    # archive.command = "echo '1' > /tmp/backup.txt"

    archive.server_path = "/path/to/archive.tar.gz"
    # archive.command = "/tmp/backup.txt"



  end

  ...

end  

Backup gem